28490044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 58423680

約数和(自身を除く): 29933636

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 53, 76, 106, 209, 212, 418, 583, 643, 836, 1007, 1166, 1286, 2014, 2332, 2572, 4028, 7073, 11077, 12217, 14146, 22154, 24434, 28292, 34079, 44308, 48868, 68158, 134387, 136316, 268774, 374869, 537548, 647501, 749738, 1295002, 1499476, 2590004, 7122511, 14245022, 28490044]

約数ペア:

[(1, 28490044), (2, 14245022), (4, 7122511), (11, 2590004), (19, 1499476), (22, 1295002), (38, 749738), (44, 647501), (53, 537548), (76, 374869), (106, 268774), (209, 136316), (212, 134387), (418, 68158), (583, 48868), (643, 44308), (836, 34079), (1007, 28292), (1166, 24434), (1286, 22154), (2014, 14146), (2332, 12217), (2572, 11077), (4028, 7073)]